.box {
  width: 750px;
  margin: 0 auto;
  background-color: #ddd;
  padding: 20px;
  border-radius: 10px;
}
.box .users {
  border: 1px solid black;
  border-collapse: collapse;
  width: 100%;
}
.box .users tr {
  border: 1px solid black;
}
.box .users tr th {
  border: 1px solid black;
}
.box .users tr td {
  border: 1px solid black;
  text-align: center;
}
